Bicycle chain washer cleaner mountain bike maintenance tools riding equipment accessories suppliesInstructions:1. Open the metal buckle of the chain washer2. Drag the back cover of the chain washer backward and lift it up to open the chain washer3. Press the indicator to pour the right amount of detergent into the box4. The lower part of the chain washer is below the chain, and the rear hook goes to the rear derailleur5. Buckle the chain inside the chain washer and cover the chain washer6. Buckle up the metal ring to ensure that the chain washer is fixed7. Gently stroke with the left hand and reverse the crank with the right hand to start cleaning the chain8. Rotate and clean until the chain is dirtyIf you have any questions, please feel free to contact us.